Omnishambles

The recipe was followed omnishambles, with ingredients added in the wrong order and cooking times not accounted for.

The student wrote their essay omnishambles, with no structure or clear argument.

The kitchen was an omnishambles after the chef prepared the banquet.

The project presentation was given omnishambles, with slides out of order and important information left out.

He's an omnishambles of a cook, every dish he makes is a disaster.

The kitchen was an omnishambles with pots and pans scattered everywhere.